I am curious about you reference to a 'Bluetooth 56K modem', since you seem to have inadvertently converged devices....
There is such a thing as a Bluetooth wireless card and a 56K modem, but these are separate devices. This notebook should work with a standard Bluetooth wireless card, although I have has some driver problems with earlier 3Com devices that are based on earlier versions of the Bluetooth specification. Also, you mentioned ordering Dell's Truemobile  wireless card as an option. Our research shows that this is an internal device and not a card, so no one knows just how Blue your wireless communications are unless you tell them! Now, be sure to invest in a Bluetooth printer and perhaps a similarly equipped PDA, such as the Palm Tungsten T3. Or, if you are really stuck on Dell, invest in an Axim X3 with built-in 802.11 wireless and an optional plug-in Bluetooth SDIO module.
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